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Andre45 [30]
3 years ago
9

What is the value of a in the following equation? -23=-2a-10+a

Advanced Placement (AP)
1 answer:
Charra [1.4K]3 years ago
5 0
Simplify both sides 
-23=-2a+10+a
-23=(-2a+2a)+(10) <-- combine like terms
-23=-a+-10
-23= -a -10
Flip the equation
-a -10=-23
add 10 to both sides
-a -10(+10) =-23(+10)
-a=-13
divide both sides by -1
-a/-1=-13/-1
answer a=13 
Hope this helped :))
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